Leases - Schedule of Operating and Finance Lease Maturity (Details) $ in Millions	Sep. 30, 2019 USD ($)
Operating Leases
Remainder of 2019	$ 4.8
2020	18.0
2021	16.7
2022	15.1
2023	14.7
2024	14.4
Thereafter	48.2
Total	131.9
Less:
Imputed interest	39.0
Present value of lease liabilities	92.9
Finance Leases
Remainder of 2019	0.2
2020	0.8
2021	0.4
2022	0.1
2023	0.0
2024	0.0
Thereafter	0.0
Total	1.5
Less:
Imputed interest	0.1
Present value of lease liabilities	$ 1.4